 /*******************************************************************************
  * Copyright (c) 2000, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.update.core.model;

 /**
  * Non-plug-in entry model object.
  * <p>
  * This class may be instantiated or subclassed by clients. However, in most
  * cases clients should instead instantiate or subclass the provided
  * concrete implementation of this model.
  * </p>
  * <p>
  * <b>Note:</b> This class/interface is part of an interim API that is still under development and expected to
  * change significantly before reaching stability. It is being made available at this early stage to solicit feedback
  * from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken
  * (repeatedly) as the API evolves.
  * </p>
  * @see org.eclipse.update.core.NonPluginEntry
  * @since 2.0
  */
 public class NonPluginEntryModel extends ContentEntryModel {

     private String id = null;

     /**
      * Creates a uninitialized non-plug-in entry model object.
      *
      * @since 2.0
      */
     public NonPluginEntryModel() {
         super();
     }

     /**
      * Returns the entry identifier.
      *
      * @return entry identifier, or <code>null</code>
      * @since 2.0
      */
     public String getIdentifier() {
         return id;
     }

     /**
      * Sets the entry identifier.
      * Throws a runtime exception if this object is marked read-only.
      *
      * @param id entry identifier.
      * @since 2.0
      */
     public void setIdentifier(String id) {
         assertIsWriteable();
         this.id = id;
     }
 }

